{"product_id":"etr-s","title":"ETR-S","description":"\u003ch2 data-start=\"150\" data-end=\"184\"\u003e\u003cstrong data-start=\"153\" data-end=\"184\"\u003eETR-S – Product Description\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"186\" data-end=\"596\"\u003e\n\u003cli data-start=\"186\" data-end=\"267\"\u003e\n\u003cp data-start=\"188\" data-end=\"267\"\u003eThe \u003cstrong data-start=\"192\" data-end=\"201\"\u003eETR-S\u003c\/strong\u003e is a \u003cstrong data-start=\"207\" data-end=\"227\"\u003eStar-Delta Timer\u003c\/strong\u003e in the slim 17.5 mm ETR series by EAPL.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"268\" data-end=\"462\"\u003e\n\u003cp data-start=\"270\" data-end=\"462\"\u003eDesigned to automate the transition from star to delta configuration in motor starting applications: energizes a star relay first, then switches to delta after a preset delay (transfer delay).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"463\" data-end=\"596\"\u003e\n\u003cp data-start=\"465\" data-end=\"596\"\u003eMounts neatly on DIN rail or panel with compact design, complete with LED timing indication and finger-guard protection for safety.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"598\" data-end=\"601\"\u003e\n\u003ch2 data-start=\"603\" data-end=\"628\"\u003e\u003cstrong data-start=\"606\" data-end=\"628\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"630\" data-end=\"2033\"\u003e\n\u003cli data-start=\"630\" data-end=\"706\"\u003e\n\u003cp data-start=\"632\" data-end=\"706\"\u003e\u003cstrong data-start=\"632\" data-end=\"644\"\u003eFunction\u003c\/strong\u003e: Star-Delta timing control for seamless motor start sequence.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"707\" data-end=\"793\"\u003e\n\u003cp data-start=\"709\" data-end=\"793\"\u003e\u003cstrong data-start=\"709\" data-end=\"727\"\u003eSupply Voltage\u003c\/strong\u003e: Standard 240 VAC; available in wider ranges (e.g., 110–415 VAC).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"794\" data-end=\"919\"\u003e\n\u003cp data-start=\"796\" data-end=\"919\"\u003e\u003cstrong data-start=\"796\" data-end=\"810\"\u003eTime Range\u003c\/strong\u003e: Star timing from \u003cstrong data-start=\"829\" data-end=\"844\"\u003e6 s to 60 s\u003c\/strong\u003e, with fixed transfer delay of \u003cstrong data-start=\"875\" data-end=\"885\"\u003e100 ms\u003c\/strong\u003e between star and delta switching.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"920\" data-end=\"1067\"\u003e\n\u003cp data-start=\"922\" data-end=\"942\"\u003e\u003cstrong data-start=\"922\" data-end=\"941\"\u003eOutput Contacts\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul data-start=\"945\" data-end=\"1067\"\u003e\n\u003cli data-start=\"945\" data-end=\"1004\"\u003e\n\u003cp data-start=\"947\" data-end=\"1004\"\u003e\u003cstrong data-start=\"947\" data-end=\"979\"\u003e1 change-over (C-NO) contact\u003c\/strong\u003e for the star connection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1007\" data-end=\"1067\"\u003e\n\u003cp data-start=\"1009\" data-end=\"1067\"\u003e\u003cstrong data-start=\"1009\" data-end=\"1041\"\u003e1 change-over (C-NO) contact\u003c\/strong\u003e for the delta connection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1068\" data-end=\"1188\"\u003e\n\u003cp data-start=\"1070\" data-end=\"1188\"\u003e\u003cstrong data-start=\"1070\" data-end=\"1091\"\u003ePower Consumption\u003c\/strong\u003e: Typically in line with other ETR series units (compact analog designs); exact VA not specified.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1189\" data-end=\"1298\"\u003e\n\u003cp data-start=\"1191\" data-end=\"1298\"\u003e\u003cstrong data-start=\"1191\" data-end=\"1214\"\u003eTransfer Delay (TD)\u003c\/strong\u003e: 100 ms default (time between star relay de-energizing and delta relay energizing).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1299\" data-end=\"1466\"\u003e\n\u003cp data-start=\"1301\" data-end=\"1326\"\u003e\u003cstrong data-start=\"1301\" data-end=\"1325\"\u003eOperating Conditions\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul data-start=\"1329\" data-end=\"1466\"\u003e\n\u003cli data-start=\"1329\" data-end=\"1378\"\u003e\n\u003cp data-start=\"1331\" data-end=\"1378\"\u003eAmbient Temperature: from \u003cstrong data-start=\"1357\" data-end=\"1377\"\u003e–10 °C to +55 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1381\" data-end=\"1425\"\u003e\n\u003cp data-start=\"1383\" data-end=\"1425\"\u003eStorage Temperature: \u003cstrong data-start=\"1404\" data-end=\"1424\"\u003e–25 °C to +80 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1428\" data-end=\"1466\"\u003e\n\u003cp data-start=\"1430\" data-end=\"1466\"\u003eHumidity: Up to \u003cstrong data-start=\"1446\" data-end=\"1465\"\u003e95 % RH @ 40 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1467\" data-end=\"1640\"\u003e\n\u003cp data-start=\"1469\" data-end=\"1486\"\u003e\u003cstrong data-start=\"1469\" data-end=\"1485\"\u003eService Life\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul data-start=\"1489\" data-end=\"1640\"\u003e\n\u003cli data-start=\"1489\" data-end=\"1567\"\u003e\n\u003cp data-start=\"1491\" data-end=\"1567\"\u003eMechanical: high durability — millions of operations expected under no load.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1570\" data-end=\"1640\"\u003e\n\u003cp data-start=\"1572\" data-end=\"1640\"\u003eElectrical: reliable at high operation cycles under resistive loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1641\" data-end=\"1880\"\u003e\n\u003cp data-start=\"1643\" data-end=\"1680\"\u003e\u003cstrong data-start=\"1643\" data-end=\"1679\"\u003eInsulation \u0026amp; Dielectric Strength\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul data-start=\"1683\" data-end=\"1880\"\u003e\n\u003cli data-start=\"1683\" data-end=\"1736\"\u003e\n\u003cp data-start=\"1685\" data-end=\"1736\"\u003eInsulation resistance: over \u003cstrong data-start=\"1713\" data-end=\"1723\"\u003e100 MΩ\u003c\/strong\u003e at 500 V DC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1739\" data-end=\"1880\"\u003e\n\u003cp data-start=\"1741\" data-end=\"1880\"\u003eCapable of withstanding \u003cstrong data-start=\"1765\" data-end=\"1778\"\u003e1.5 kV AC\u003c\/strong\u003e between input, relay contacts, and enclosure, and \u003cstrong data-start=\"1829\" data-end=\"1842\"\u003e1.0 kV AC\u003c\/strong\u003e across non-continuous relay contacts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1881\" data-end=\"2033\"\u003e\n\u003cp data-start=\"1883\" data-end=\"1910\"\u003e\u003cstrong data-start=\"1883\" data-end=\"1909\"\u003eConnections \u0026amp; Physical\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul data-start=\"1913\" data-end=\"2033\"\u003e\n\u003cli data-start=\"1913\" data-end=\"1968\"\u003e\n\u003cp data-start=\"1915\" data-end=\"1968\"\u003eScrew-type terminals with safety self-lifting clamps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1971\" data-end=\"2033\"\u003e\n\u003cp data-start=\"1973\" data-end=\"2033\"\u003eCompact dimensions: \u003cstrong data-start=\"1993\" data-end=\"2032\"\u003e17.5 mm (W) × 89 mm (H) × 62 mm (D)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2035\" data-end=\"2038\"\u003e\n\u003ch2 data-start=\"2040\" data-end=\"2059\"\u003e\u003cstrong data-start=\"2043\" data-end=\"2059\"\u003eApplications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2061\" data-end=\"2634\"\u003e\n\u003cli data-start=\"2061\" data-end=\"2149\"\u003e\n\u003cp data-start=\"2063\" data-end=\"2149\"\u003e\u003cstrong data-start=\"2063\" data-end=\"2087\"\u003eMotor Control Panels\u003c\/strong\u003e where star-delta starting is used to reduce starting current.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2150\" data-end=\"2237\"\u003e\n\u003cp data-start=\"2152\" data-end=\"2237\"\u003e\u003cstrong data-start=\"2152\" data-end=\"2183\"\u003eMCC (Motor Control Centers)\u003c\/strong\u003e to manage multiple motor start sequences efficiently.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2238\" data-end=\"2308\"\u003e\n\u003cp data-start=\"2240\" data-end=\"2308\"\u003e\u003cstrong data-start=\"2240\" data-end=\"2269\"\u003eHT \/ LT Electrical Panels\u003c\/strong\u003e in industrial automation environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2309\" data-end=\"2380\"\u003e\n\u003cp data-start=\"2311\" data-end=\"2380\"\u003e\u003cstrong data-start=\"2311\" data-end=\"2345\"\u003eControl \u0026amp; Relay (C \u0026amp; R) Panels\u003c\/strong\u003e to support motor sequencing logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2381\" data-end=\"2511\"\u003e\n\u003cp data-start=\"2383\" data-end=\"2511\"\u003e\u003cstrong data-start=\"2383\" data-end=\"2422\"\u003eRTCC (Relay Timing Control Centers)\u003c\/strong\u003e and \u003cstrong data-start=\"2427\" data-end=\"2449\"\u003eTransformer Panels\u003c\/strong\u003e, wherever timed switching between star and delta is required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2512\" data-end=\"2634\"\u003e\n\u003cp data-start=\"2514\" data-end=\"2634\"\u003e\u003cstrong data-start=\"2514\" data-end=\"2546\"\u003eGeneral Automation Equipment\u003c\/strong\u003e where controlled motor start-up is essential for system reliability and reduced inrush.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2636\" data-end=\"2639\"\u003e\n\u003ch2 data-start=\"2641\" data-end=\"2655\"\u003e\u003cstrong data-start=\"2644\" data-end=\"2655\"\u003eSummary\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2657\" data-end=\"3159\"\u003e\n\u003cli data-start=\"2657\" data-end=\"2751\"\u003e\n\u003cp data-start=\"2659\" data-end=\"2751\"\u003eThe \u003cstrong data-start=\"2663\" data-end=\"2672\"\u003eETR-S\u003c\/strong\u003e is a compact, reliable Star-Delta Timer engineered for precise motor starting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2752\" data-end=\"2885\"\u003e\n\u003cp data-start=\"2754\" data-end=\"2885\"\u003eConfigurable star time from \u003cstrong data-start=\"2782\" data-end=\"2797\"\u003e6 s to 60 s\u003c\/strong\u003e, with a consistent \u003cstrong data-start=\"2817\" data-end=\"2842\"\u003e100 ms transfer delay\u003c\/strong\u003e to ensure smooth transition to delta mode.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2886\" data-end=\"3026\"\u003e\n\u003cp data-start=\"2888\" data-end=\"3026\"\u003eAble to handle standard panel voltages, hardened for industrial environments, and packaged in a space-saving 17.5 mm DIN-rail form factor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3027\" data-end=\"3159\"\u003e\n\u003cp data-start=\"3029\" data-end=\"3159\"\u003eSuitable for deployment across diverse electrical control systems including MCCs, automation panels, and relay control assemblies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":50648534974752,"sku":null,"price":5.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/8512\/5152\/files\/ChatGPTImageAug30_2025_03_53_41AM.png?v=1756511632","url":"https:\/\/starpowerelectrical.com\/products\/etr-s","provider":"My Store","version":"1.0","type":"link"}